GrTessellator: fix logging; fix test comment.

Change-Id: Iaded9025a1518d8c69dbe366deb1035e0bd4295b
Reviewed-on: https://skia-review.googlesource.com/19289
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Stephen White <senorblanco@chromium.org>
diff --git a/tests/TessellatingPathRendererTests.cpp b/tests/TessellatingPathRendererTests.cpp
index dd3b07a..e2fca2e 100644
--- a/tests/TessellatingPathRendererTests.cpp
+++ b/tests/TessellatingPathRendererTests.cpp
@@ -314,9 +314,8 @@
     return path;
 }
 
-// From clusterfuzz-testcase-minimized-6735316361936896
-// FIXME: [add description here]
-
+// An intersection above the first vertex in the mesh.
+// Reduction from http://crbug.com/730687
 static SkPath create_path_20() {
     SkPath path;
     path.moveTo(           2822128.5,  235.026336669921875);